﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Mad.Nug.Rss;
using System.IO.IsolatedStorage;

namespace Mad.Nug
{
    public partial class App : Application
    {
        #region Selected Item
        public RssItem selectedItem { get; set; }
        public string selectedSection { get; set; }
        #endregion

        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;


            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            try
            {
                selectedItem = new RssItem();
                selectedItem.Date = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Date"].ToString();
                selectedItem.Description = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Description"].ToString();
                selectedItem.Image = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Image"].ToString();
                selectedItem.Text = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Text"].ToString();
                selectedItem.Title = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Title"].ToString();
                selectedItem.Url = new Uri(IsolatedStorageSettings.ApplicationSettings["SelectedItem_Url"].ToString());
                selectedItem.CommentsUrl = new Uri(IsolatedStorageSettings.ApplicationSettings["SelectedItem_commentsUrl"].ToString());
                selectedSection = IsolatedStorageSettings.ApplicationSettings["SelectedItem_Section"].ToString();
            }
            catch (IsolatedStorageException)
            {
            }
            catch (Exception)
            {
            }
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            if (selectedItem != null)
            {
                IsolatedStorageSettings.ApplicationSettings.Clear();
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Description", selectedItem.Description);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Text", selectedItem.Text);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Image", selectedItem.Image);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Url", selectedItem.Url.ToString());
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Title", selectedItem.Title);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Date", selectedItem.Date);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_Section", selectedSection);
                IsolatedStorageSettings.ApplicationSettings.Add("SelectedItem_commentsUrl", selectedItem.CommentsUrl.ToString());
                IsolatedStorageSettings.ApplicationSettings.Save();
            }
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion

        #region Utilities
        public static bool HaveConnection()
        {
            var type = Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType;
            switch (type)
            {
                default:
                case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None:
                    return false;
                case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Ethernet:
                case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.Wireless80211:
                case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandCdma:
                case Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.MobileBroadbandGsm:
                    return true;
            }
        }
        #endregion
    }
}